Tri State Mechanical is a leading Plumbing, Air Conditioning and Heating Company serving Delaware. We offer Service, repair and installation for all of your Plumbing, Heating and HVAC needs. We are locally owned and operated. Call for all your service needs. We look forward to helping you!


We will help you with your next plumbing project. If it is a Plumbing Rehab, Remodel or just a leaky faucet, Make sure you call Tri State Mechanical. Are you adding a dishwasher to your kitchen, or do you just need one replaced? Call us to get it done.


You name it, we can repair or replace.